diff --git a/tools/src/workbench-cli.ts b/tools/src/workbench-cli.ts
index 4dc99cd8..90fd207d 100644
--- a/tools/src/workbench-cli.ts
+++ b/tools/src/workbench-cli.ts
@@ -71,7 +71,7 @@ async function inspectEvents(parsed: Parsed, env: Record<string, string | undefi
         const frame = parseSseBlock(block);
         if (frame) frames.push(frame);
         if (frames.filter((entry) => entry.name === "hwlab.event.v1").length >= minEvents) {
-          await reader.cancel();
+          await reader.cancel().catch(() => undefined);
           break readStream;
         }
         boundary = buffer.indexOf("\n\n");